Total births
386
Girls' name · since 1974
Jacilyn
Since 1974, U.S. Social Security records show 386 babies named Jacilyn, peaking in 1984. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 386
- total births
- 1974–2021
- years on record
- 1980s
- peak decade
- 39%
- born in that decade
Jacilyn sits outside today's top ranks for girls, with 386 recorded since 1974.
Jacilyn has 386 recorded births among girls since 1974, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1980s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1974 to 2021.
- 386 total births
- 1974–2021 years on record
- 1980s peak decade
- 39% born in that decade
Data updated Jul 2026
The verdict
386 girls have been named Jacilyn since 1974, peaking in the 1980s, last recorded in 2021.
- 386
- total births
- 1974–2021
- years on record
- 1980s
- peak decade
- 39%
- born in that decade
1980s
Peak decade
39% of everyone ever named Jacilyn was born in this single decade.
1984
Single peak year
22 babies were named Jacilyn in 1984 - its busiest year on record.
Jacilyn's usage pattern, beyond the headline number
Divide Jacilyn's SSA record in two at 1994 and the more recent half accounts for 41% of all births, the earlier half the remaining 59%, a genuinely balanced usage pattern. Its calmest year was 1974, with only 5 births recorded -- set against the 1984 peak of 22, that's the full swing in one name's fortunes.
Jacilyn at a glance
Last recorded 2021Peak year
1984
Current rank
Unranked
Active since
1974
Jacilyn popularity over time
Annual U.S. births registered with the Social Security Administration · 1974–2021
- Peak year (1984)
- 22
- Annual births at peak, across 48 years of records
Jacilyn by decade
Total births in each ten-year window, peak vs trough at a glance
1980s was Jacilyn's strongest decade.
150 babies received the name during that ten-year window, about 39% of all-time use.
Jacilyn births by decade
Total births in each ten-year window
- 1970s 32
1970s
32 births
- 1980s
1980s
150 births
- 1990s
1990s
108 births
- 2000s
2000s
72 births
- 2010s 19
2010s
19 births
- 2020s 5
2020s
5 births
What this shows Peak: 1980s at 150 births (39% of all-time use).
Frequently Asked Questions
How popular is the name Jacilyn? ▼
Since 1974, Social Security records show 386 babies named Jacilyn. The most recent recorded year was 2021. Its busiest year on record was 1984, with 22 births.
When was Jacilyn most popular? ▼
Jacilyn was most popular in the 1980s decade with 150 total births. The single peak year was 1984.
How long has the name Jacilyn been used? ▼
The SSA has tracked Jacilyn since 1974 -- 48 years through the most recent 2021 data.
What names are similar to Jacilyn? ▼
Names with a similar sound or spelling include Jacqueline, Jackie, Jacquelyn, Jaclyn, and 4 more. These share a common prefix and are also used for girls.
What to do with Jacilyn's data
- Jacilyn's decade-level peak was the 1980s (150 total births); usage has since declined to 5 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Jacilyn
Nearby Names Like Jacilyn
Names with a similar sound, spelling, or feel to Jacilyn
Jacqueline Girl
#585 426,088 births
Jackie Girl
#2283 91,253 births
Jacquelyn Girl
#2268 85,197 births
Jaclyn Girl
#2730 49,632 births
Jacklyn Girl
#2862 16,997 births
Compare Jacilyn side by side: Jacilyn vs Jacqueline Jacilyn vs Jackie Jacilyn vs Jacquelyn
Related Names
Names with a similar number of total births
Data Sources
Data as of July 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1974–2021 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Jacilyn: Baby Name Since 1974 - 386 Births, Peak 1984." NameAlmanac. Accessed via https://namealmanac.com/name/jacilyn. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Jacilyn draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.